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320244052 = 22601133213
BaseRepresentation
bin10011000101101…
…000100101010100
3211022121002020211
4103011220211110
51123440302202
651435535204
710636013062
oct2305504524
9738532224
10320244052
11154851107
128b2ba504
135146832b
1430763032
151d1ac1d7
hex13168954

320244052 has 12 divisors (see below), whose sum is σ = 561363796. Its totient is φ = 159854400.

The previous prime is 320244007. The next prime is 320244053. The reversal of 320244052 is 250442023.

It can be written as a sum of positive squares in 2 ways, for example, as 290497936 + 29746116 = 17044^2 + 5454^2 .

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320244053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64203 + ... + 69010.

Almost surely, 2320244052 is an apocalyptic number.

It is an amenable number.

320244052 is a deficient number, since it is larger than the sum of its proper divisors (241119744).

320244052 is a wasteful number, since it uses less digits than its factorization.

320244052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133818 (or 133816 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 320244052 is about 17895.3639806515. The cubic root of 320244052 is about 684.1642190884.

Adding to 320244052 its reverse (250442023), we get a palindrome (570686075).

The spelling of 320244052 in words is "three hundred twenty million, two hundred forty-four thousand, fifty-two".

Divisors: 1 2 4 601 1202 2404 133213 266426 532852 80061013 160122026 320244052